Pith Number

pith:DCUUT7V2

pith:2012:DCUUT7V2HB5TBG3QZ736LVHCIH

not attested not anchored not stored refs pending

A New Algorithm for Maximum Likelihood Estimation in Gaussian Graphical Models for Marginal Independence

Mathias Drton, Thomas S. Richardson

arxiv:1212.2462 v1 · 2012-10-19 · stat.ME · cs.LG · stat.ML

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DCUUT7V2HB5TBG3QZ736LVHCIH}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-05-18T03:38:44.809800Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

18a949feba387b309b70cff7e5d4e241f3d9e522f07382f9aed31084def1fc5c

Aliases

arxiv: 1212.2462 · arxiv_version: 1212.2462v1 · doi: 10.48550/arxiv.1212.2462 · pith_short_12: DCUUT7V2HB5T · pith_short_16: DCUUT7V2HB5TBG3Q · pith_short_8: DCUUT7V2

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/DCUUT7V2HB5TBG3QZ736LVHCIH \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: 18a949feba387b309b70cff7e5d4e241f3d9e522f07382f9aed31084def1fc5c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1eeae0b3a7221ac9669ae263c47dc92880b9cb4422e0d6a4f200bad8263a273f",
    "cross_cats_sorted": [
      "cs.LG",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ME",
    "submitted_at": "2012-10-19T15:04:52Z",
    "title_canon_sha256": "c4fdcae9c3184a298b64a06130518c3a0291736c222e5236fc1296a4af326cd2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1212.2462",
    "kind": "arxiv",
    "version": 1
  }
}